"downton abbey." [ cheers and applause ] it's a period drama on pbs about a very proper english family, sort of like an "upstairs, downstairs" type of thing. we love it around here. in fact, the way they act on "downton abbey," is pretty much exactly the way we act here behind the scenes here at "late night." the british accents, dramatic looks, the formal outfits. it's what it's like backstage here in studio 6b. that's where we are. i think you'll see what i mean in the third episode of "downton sixbey." >> previously on "downton sixbey." >> due to the tragic hot air balloon accident, which claimed carson daly, "downton sixbey" will now pass on to my new heir, questlove. >> questlove, will your mother be joining us for dinner? >> she should be arriving any moment now. ♪ >> my apologies. you must think i'm terrible. >> on the contrary. it's quite lovely. >> the only thing that can save you now is if carson daly himself walks through that door. >> so sorry i'm late. >> what the [ bleep ] is this? [ laughter ] ♪ ♪ >> and so as you can all plainly see, i am standing here at the head